Foiling friction by jiggling a junction
Troublesome friction on the scale of microscopic machines nearly vanishes when lubricated surfaces are gently vibrated.
References:
Gao, J., W.D. Luedtke, and U. Landman. 1998. Friction control in thin-film lubrication. Journal of Physical Chemistry B 102(June 25):5033.
Heuberger, M., C. Drummond, and J. Israelachvili. 1998. Coupling of normal and transverse motions during frictional sliding. Journal of Physical Chemistry B 102(June 25):5038.
Sources:
Uzi Landman
Georgia Institute of Technology
School of Physics
Atlanta, GA 30332-0430
7/25/98
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